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Classnk News

12 Mar 2024

Huisman to Supply Two Subsea Cranes for Toyo’s New Cable Layer

Toyo's VARD 9 15 design CLV with Huisman cranes (Credit: Huisman)

Dutch company Huisman has secured a contract to supply two subsea cranes for Toyo Construction’s new cable laying vessel (CLV), being built by Norwegian shipbuilder Vard.The contract Huisman signed with Vard is for the delivery of full electric 250 mt Hybrid Boom Subsea Crane, and a 100 mt Knuckle Boom Crane that will be integrated into Toyo’s CLV newbuild.The purpose-built VARD 9 15 design is expected to advance capabilities for cable-laying and turbine foundation installation works in the Japanese offshore wind sector.Designed to meet the specific Toyo’s requirements and preferences of Toyo…

07 Mar 2024

ClassNK Grants Innovation Endorsement for Cassandra Monitoring Platform

© Yellow Boat / Adobe Stock

Classification society ClassNK announced it has granted an Innovation Endorsement for Products & Solutions to a vessel and voyage performance monitoring platform called Cassandra, developed by Deep Sea Technologies SMPC.Cassandra integrates performance data from vessels with AI technology, and then enables real-time monitoring of the ship’s current status. It is cloud-based and designed to monitor fuel consumption, CO2 emissions, as well as hull and engine performance from shore.ClassNK has verified the functions of Cassandra.CO2 emissions monitoring…

06 Mar 2024

ClassNK Grants Innovation Endorsement for “ACE Function”

Credit: Tokyo Keiki

ClassNK has granted its Innovation Endorsement for Products & Solutions to a straight leg course control called “ACE Function” (ACE: Advanced Control for Ecology), which can be integrated with the autopilot systems, “PR-9000” and “PR-6000” offered by Tokyo Keiki Inc.“ACE Function” can automatically create a straight route and implement navigation at the shortest distance, only by setting the ship's current position and the heading of a destination. While navigating, it constantly estimates disturbances (tidal currents…

28 Feb 2024

NAPA Studio aims to help Blaze Maritime's Digital Path

NAPA introduced NAPA Studios, an initiative designed to foster cross-industry partnerships to deliver new data-driven solutions and insights on some of the most imminent ship design, safety and operational challenges faced by the maritime industry.NAPA Studios will harness NAPA's own digital tools and experience, while working directly with individual shipyards, shipowners, charterers, and other supply chain stakeholders in tailored projects. This offering will, for example, enable shipyards to make a greater use of ships’ operational data to improve future designs, while other projects will support shipowners and charterers in assessing…

28 Feb 2024

ClassNK Greenlights Multi-Functional Floating Wind Support Vessel Design

MFSV for floating wind farms (Credit: K Line Wind Service)

ClassNK has awarded an approval in principle (AiP) for the design of a multi-functional floating offshore wind farm support vessel (MFSV) developed by K Line Wind Service, together with Japan Marine United Corporation, and Nihon Shipyard.The MFSV is designed to perform full moorings work scope for the installation of floating offshore wind turbines, including transportation, deployment and anchor tensioning of the mooring system.According to the companies, the vessel also features a multi-functional concept…

27 Feb 2024

NYK Receives ClassNK Certification for Offshore Wind CTV Training

(Credit: Class NK)

NYK has secured certification from ClassNK for Japan’s first training program for crew members of offshore wind industry crew transfer vessels (CTVs).The training is scheduled to be conducted at the Akita School of Wind and Sea training center in Oga City, Akita Prefecture, from April - offering three programs in total.The certification from Class NK is for simulator-based training for operating CTVs, which confirms that the training program meets quality and international standards after a review of the training framework…

06 Feb 2024

ClassNK Greenlights Ammonia Fuel Tank Design for GSC’s Containerships

R to L: Shinjiro Mishima, Representative Director, GSC and Hiroaki Sakashita, President & CEO, ClassNK (Credit: ClassNK)

ClassNK has awarded an approval in principle (AiP) for the design of a prismatic ammonia fuel tank (IMO Type B independent tank) for containerships developed by Planning and Design Center for Greener Ships (GSC).The Type B tank developed by GSC has been designed to ensure safe storage of ammonia and to minimize the reduction in the number of cargo containers due to the placement of fuel tanks in consideration of operational needs.Furthermore, the shape of the storage space for the tank has been simplified from the typical bench corners for container carriers…

25 Jan 2024

Japan Takes the Lead on Ammonia as Maritime Fuel

Image courtesy NYK

Late last year Japanese maritime leaders – Nippon Yusen Kabushiki Kaisha (NYK), Japan Engine Corporation, IHI Power Systems Co., and Nihon Shipyard Co., Ltd. – signed a series of contracts to buid the world's first ammonia-fueled medium gas carrier (AFMGC) equipped with Japan-make engines. The target is a completed ship by November 2026.While the project is significant, hurdles remain, namely:While development work is underway, today there is not yet a dual-fuel ammonia engine on the market…

17 Jan 2024

ClassNK Gives AiP for Yanmar’s Maritime Hydrogen Fuel Cell System

(Credit: ClassNK)

ClassNK has issued an Approval in Principle (AiP) for a maritime hydrogen fuel cell system developed by YANMAR Power Technology, marking the first AiP certification for a maritime hydrogen fuel cell system developed by a Japanese manufacturer.The 300kW maritime hydrogen fuel cell system, developed by Yanmar, is designed with key auxiliary components such as gas valve units integrated within the system enclosure, aimed to facilitate easy installation on ships.On top of that, the system allows for parallel connection of multiple units and adjustments to the number of hydrogen fuel cell modules,

04 Jan 2024

ClassNK Updates Its GHG Emissions Management Tool

© Yellow Boat / Adobe Stock

ClassNK has released new features for its GHG Emissions Management Tool, "ClassNK ZETA (Zero Emission Transition Accelerator)".ClassNK ZETA is a tool for visualizing GHG emissions and CII ratings of ships and is used for more than 5,000 ships. Based on data submitted to "ClassNK MRV Portal", a system for fuel consumption reporting in compliance with regulations such as IMO-DCS and EU-MRV, ClassNK ZETA provides current status and simulation for reducing GHG emissions from ships and supports response to various emission reduction requirements.

27 Dec 2023

ClassNK Amends Class Rules

Image: ClassNK

ClassNK has released amendments to its Rules and Guidance for the Survey and Construction of Steel Ships dated December 22, 2023.ClassNK is constantly revising its Rules and Guidance in order to reflect the latest results from relevant research and development projects, feedback from damage investigations, requests from industry as well as changes made to relevant international conventions, IACS Unified Requirements (UR), etc. More specifically, some of the amendments made this time are as follows:Responding to requests from relevant industries…

26 Dec 2023

NYK’s Offshore Wind CTV Operator Secures ClassNK Certification

Rera AS CTV for offshore wind (Credit: NYK)

NYK Group’s Hokuyo Kaiun has received certifications from ClassNK for the safety management system (SMS) of its crew transport vessel (CTV) for the offshore wind industry.The certifications, ISO 9001:2015 and ISO 45001:2018, were obtained by combining the experience of Hokuyo Kaiun, which operates and manages the CTV Rera As for the Ishikari Bay New Port offshore wind farm in Hokkaido Prefecture, with the knowledge of NYK.This certification will enable Hokuyo Kaiun, which mainly operates towing vessels in Japan…

22 Dec 2023

MOL Gets ClassNK Blessing for Ammonia FSRU Design

Credit: Mitsui O.S.K. Lines

Mitsui O.S.K. Lines (MOL) has been awarded an approval in principle (AiP) by ClassNK for a design of Floating Storage and Regasification Unit (FSRU) for ammonia.The ammonia FSRU has been jointly developed by MOL and MHI Group’s Mitsubishi Shipbuilding.Obtains AiP for Ammonia FSRU Design - A Step Toward Safe Utilization of Ammonia for DecarbonizingThe AiP gives MOL further assurances in its design and development of ammonia FSRU, the technology, which enables a large scale of storage and distribution of seaborn ammonia.Introducing the ammonia FSRU concept…

12 Dec 2023

ClassNK Grants AIP for Maneuvering Assist System

Scene of proposing avoidance routes (courtesy of Japan Radio Co., Ltd.)

Classification society ClassNK reports it has issued an approval in principle (AIP) for the “Advanced Maneuvering Assistant System”, the core technology for the autonomous navigation system, developed by Kawasaki Kisen Kaisha, Ltd., Kawasaki Kinkai Kisen Kaisha, Ltd., Japan Radio Co., Ltd. and YDK Technologies Co., Ltd.The system automatically generates some routes for avoiding a collision with other ships on a monitored route when a collision with another ship due to OZT is predicted and assists the operator in avoiding the collision.

11 Dec 2023

Basic Design Completed for Conversion of Old LNG Carriers

© alexyz3d / Adobe Stock

NYK Line, Namura Shipbuilding and Sasebo Heavy Industries are collaborating to replace the main propulsion on steam turbine driven Moss-type LNG carriers to dual-fuel diesel engines and have now completed the basic design step.In October 2023, NYK was granted Approval in Principle (AiP) from ClassNK for the concept, and the three companies will now proceed with a detailed design.The aim is to improve environmental performance, make efficient use of existing vessels and contribute…

07 Dec 2023

ClassNK AIP for MARIC's Alternative Fuel Vessels

ClassNK issued Approvals in Principle (AiPs) for four ship designs developed by Marine Design & Research Institute of China (MARIC).The four designs include:a 210k methanol dual-fueled bulk carrier, a 210k ammonia dual-fueled bulk carrier, a 210k LNG dual-fueled bulk carrier, and an 88k LPG dual-fueled very large gas carrier

06 Dec 2023

AIP for SDARI Ship Designs

The AiP handover ceremony: L to R: Hiroaki Sakashita, President & CEO, ClassNK and Lyu Zhiyong, President, SDARI. Photo courtesy ClassNK

ClassNK awards AiPs for SDARI’s green fuels powered vehicle carriers for ammonia ready LNG dual fueled 7,000CEU, and both methanol/ammonia dual fueled 10,000CEUClassNK has issued Approvals in Principle (AiPs) for three vehicle carrier designs developed by Shanghai Merchant Ship Design & Research Institute (SDARI). The first AiP acknowledges an ammonia ready LNG dual fueled vehicle carrier with a capacity of 7,000 CEU, a significant first in China’s independently developed design.

04 Dec 2023

New Wave Data Underpins Ship Structural Integrity

Sofar Ocean’s hundreds of Spotter buoys continuously contribute masses of accurate wave data. Image courtesy of Sofar Ocean

The loss of the Stellar Daisy in 2017 was a tragic reminder of the importance of wave data to ship design and operation. The vessel sank in the South Atlantic Ocean, with 22 of 24 crewmembers lost. The structural failure of the vessel was attributed to several factors including material fatigue and the forces imposed on the hull as a result of the weather conditions.Survey requirements for some vessel types have since been tightened, but even before this tragedy, work was underway to evaluate the wave data used to determine ship structural integrity requirements.

30 Nov 2023

Maritime and Port Authority of Singapore Joins the Maritime Technologies Forum

Nick Brown, Lloyd's Register CEO, Teo Eng Dih Maritime and Port Authority of Singapore (MPA) Chief Executive and Knut Arild Hareide, Norwegian Maritime Authority Director, General Shipping and Navigation.  Back Row (L to R): Niam Chiang Meng, MPA Chairman, Vassilios Kroustallis, ABS Senior Vice President, Global Business Development, Pierre Sames, DNV Senior Vice President, Strategic Development Director and Dr. M. Abdul Rahim, ClassNK, Corporate Officer, Managing Director, Europe and Africa. (P

The Maritime and Port Authority of Singapore has joined as an associate member, bringing regulatory and technological expertise to further support MTF’s objectives.Today, the Maritime Technologies Forum (MTF), whose founding members include ABS, DNV, Lloyd’s Register, ClassNK, Japan’s Maritime Bureau, Ministry of Land, Infrastructure, Transport and Tourism, the Norwegian Maritime Authority and the U.K.’s Maritime and Coastguard Agency, welcomed the Maritime and Port Authority of Singapore (MPA) as an associate member…

19 Oct 2023

Hydrogen-fueled Ship Earns AIP

Image of Hydrogen-fueled Multi-Purpose Vessel (D/W 17,500 M.T.). (courtesy of J-ENG)

ClassNK has issued an Approval in Principle (AiP) for a parcel layout concept for a hydrogen-fueled multi-purpose vessel developed by Mitsui O.S.K. Lines, Ltd. (MOL), MOL Drybulk Ltd. (MOL Drybulk), Onomichi Dockyard Co., Ltd. (Onomichi Dockyard), Kawasaki Heavy Industries, Ltd. (Kawasaki), Japan Engine Corporation (J-ENG). This is the world’s first AiP certification for a ship equipped with a large low-speed two-stroke hydrogen-fueled engine as the main propulsion engine.Demonstration…

13 Oct 2023

ClassNK Contributes to Social Implementation of MASS

Image courtesy ClassNK

ClassNK is taking a leading role in the implementation of safe and efficient maritime autonomous surface ships (MASS) through a program of research, rule-development, technology trials and certification.While the regulatory framework covering MASS remains a work in progress, it is clear that autonomous ship technologies are already having a transformative effect on shipping.By autonomously executing certain functions that would typically be performed by crew – especially tasks…

03 Oct 2023

Furuno's Berthing Aid System Receives ClassNK's Endorsement

Credit: Furuno

Japanese classification society ClassNK has granted its Innovation Endorsement for Products & Solutions to a Berthing Aid System developed by Furuno.Furuno's Berthing Aid System displays the distance and angle between the ship and the quay to assist in berthing operations.The Berthing Aid System uses LiDAR to calculate the relative distance and angle between the quay and hull, and displays superimposed images for situational awareness. The system aims to improve safety during berthing by measuring and visualizing the positional relation between the quay and ship…

07 Sep 2023

Onboard CO2 Capture and Storage System by CSPI Earns ClassNK's Stamp of Approval

Right: Mr. Dai Qun, Deputy Section Chief / Senior Engineer, CPGC
Left: Mr. Hayato Suga, Executive Vice President, ClassNK
 - Credit: ClassNK

ClassNK has issued an Approval in Principle (AiP) for an onboard CO2 capture and storage (OCCS) system developed by China Shipbuilding Power Engineering Institute Co., Ltd. (CSPI), a member of CSSC Power (Group) Co. Ltd. (CPGC).In addition to fuel transition, interest in capturing CO2 from ships' exhaust gas is growing as a way to reduce GHG emissions, and the development of onboard systems for capturing and storing CO2 is being undertaken. To encourage the development of the related technology…

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